When directed by the Department, an owner and an operator of a UST system that was permanently closed before December 22, 1988 shall assess the excavation zone and close the UST system in accordance with this chapter if a spill, release, or discharge from the UST system may, in the judgment of the Department, pose a current or potential threat to human health and the environment.

Authority: Environment Article, §§4-402, 4-405, 4-407, 4-408, 4-410, 4-411, 4-411.1, 4-417, and 7-201 et seq., Annotated Code of Maryland

Effective date: February 4, 1991 (18:2 Md. R. 151)

Chapter revised effective November 4, 1996 (23:22 Md. R. 1498)

Regulation .01D amended effective June 29, 1998 (25:13 Md. R. 997)

Regulation .02F amended effective June 29, 1998 (25:13 Md. R. 997)

Regulations .01—.05 repealed and new Regulations .01—.05 adopted effective June 13, 2022 (49:12 Md. R. 642)